30 !
as food passes through the alimentary canal, the presence of chemical secretions will occur in which order?

a. salivary enzymes; pancreatic juice; pepsin
b. salivary enzymes; pepsin; pancreatic juice
c. pepsin; pancreatic juice; salivary enzymes
d. pepsin; salivary enzymes; pancreatic juice

2. how does the miller-urey experiment fall short of demonstrating that life can arise from inorganic molecules? explain. a. it doesn't show a leap between a collection of amino acids and a single-celled organism. b. it recreates the conditions that existed at the earth's beginning, but no molecules form as a result. c. it doesn't provide evidence of the formation of amino acids. d. it doesn't show how multicellular organisms developed from unicellular organisms

When ash and dust begin to settle on the ground, they eventually become compacted by

Astudent completed a lab report. which correctly describes the difference between the “question” and “hypothesis” sections of her report? “question” states what she is asking, and “hypothesis” states the result of her experiment. “question” states what she is asking, and “hypothesis” states what she thinks the answer to that question is in “if . . then . . because” format. “question” describes what she is trying to find out, and "hypothesis" states the procedures and methods of data collection. “question” describes what she is trying to find out, and “hypothesis” states any additional information or prior knowledge about the question.